Valve-stem packing.



PATENTED APR. 9, 1907,

L. W. EGGLESTON VALVE STEM PACKING. APPLIGATION FILED JAN. 18. 1907.

W Sis LEWI WAlSthY EGGLESTON, OF APPLETON, WISCONSIN.

VALVE- S'T'EM Momma.

I Specification of Letters Patent.

Patented April a, 190%.

implication filed January 18,1907. Serial 101362.867.

To all whom it may concern:

Be it known that I, LEW1S NVA'ISON EG GLESTON, a citizen of the United States, and a resident of=Appleton,in the county of Outagamie, in the State of Wisconsin, have invented certain new and useful Improvements inValve-Stem Packing, of which the follow ing, whentaken in commotion with the drawings'accom anying and forming a part l1erc- -o f, is a ful and complete description, suliicient to enable those skilled in the art to which it pertains tounderstand, make, and

tained, and at the same time the valve-stem is not held so tightly as to make the operation thereof diflicult to a child or woman.

In the drawings, Figure 1 is an elevation of v a gate-valve, showing enough of the stem and holder thereof in section to expose to view a construction embodying this invention. Fig. 2 is a front elevation of a bib-cock, showing enough of the stern and holder thereof in section to expose to view a construction embodying this invention; and Fig. 3 is a sectional view, on an enlarged scale, of a portion of a rotatable valve or cook stem and packing embodying this invention.

'A reference-letter applied to designate a given art is used to indicate such part throug out the several figures of the drawings wherever the same appears.

A is a valve or cock stem.

o is a 'disk rigidly secured to the stern A. Disk (1, is the ordinary disk provided to prevent longitudinal movement of the stem.

a is a screw-thread at the lower end of the stem A in the construction illustrated in Fig. 1 such screw-thread arranged to engage with the gate incasing C.

'B, Fig. 1, is a disk; and B, Fig. 2, is a handle. Such disk and handle are res ectively rigidly secured to stem A to turn t erewith.

Cis the casing of the gate-valve illustrated in Fig. 1.

wall of the recess F and the peri 2, and C C are respeotivelythe outlets thereof.

D is the portion of the holder of stem A which is rigidly attached to or forms a part of the shell or casing of a valve or cook.

Eis a removable part of the holder of stem A and is provided with part e, on which a wrench may hei'itted to turnit, and with screw-threads engaging with corresponding screw-threads d in part l) of the holder. One end of the removable part E is in contact with disk (1- of stern A to prevent longitudinal movement of such stem. Part E is provided with a hole therethrough for stem A and with the conical recess F at one end of such hole'to receive the end of the packing G.

II is the adjustable cap of the stem-holder and is provided with female threads h engaging with threads f on part E of the holder.

9 is a tapering hole-that is, a hole gradually diminishing in size in the diameter thereofth rough which stem A is placed in assern bling the several arts of the apparatus. The smaller end 0? such hole corres onds closely in diameter with, the diameter 0 stem A, so that when the packing Sr, through which such hole g extends, is laced on the stem A and such packing is orced down-- ward into the recess F by the turning downward'thereonto of the cap H that portion of the end of the packing. G which is of substantially the same diameter as the stem (sap that portion of packing Gr between lines Fig. 3) is made to fit so tightly to such stem and to the eripheral 'wall. of recess F as to prevent t 1e passage of steam or water thereby.

By'reference to the drawings, particularly Fig. 3, it will be observed. that the peripheral leral surface of the acking G are not 0 the same taper an are not in contact throughout their entire length. Because of the taper'of the hole g and the variation in the taper of the packing G on the face thereof adjacent to the tapering wall of recess F, the packing G is not in contact with either stem A orv removable part E for any considerable portion of the length of such packing, and itoccurs that such packing G can be forced into position between the stem A and removable part E by the turning of the cap H, vso that steam and water will not pass by the packing the use of the valve or cock, while at the same time the stemA may be readily turned. This packing and stem is particularly useful ter cocksnnd faucets of sinks and wash stands. Packing G is preferably made of l'iot-Water heating and in and about the '21- vided with :1 hole therethrough for a stem and with :1 ta cring recess for the packing at soft copper ora composition metal of substnnface of lcss taper than the adjacent ace of tially the same ductilitv.

Ihave described the hole g in packing G as tapering or of dm'nmshing diameter; but It,

will he evident to those skilled in the art that.

. if such packing (l he made of ductile metal which is softer than the metal of removable part E and the hole g is made cylindrical, hut

I of larger diameterthan stern A, the puckingG in the construction shown and described may he forced into recess l" by turning cap ll with v a wrench until the end of such packing which is adjacent to the smaller end of the recess 1 is forced against the stem A to n-"ke the desired joint, and at such time the hole 9 will he of substantiallydiminishing diameter, de- I scribed. I

Having thus described the construction of a packing, a stem, and a holder therefor embodvmg my invention, what I claim 15 new, I

and desire to secure by Letters Patent, is

1. The combination of a metallic packing end holder there/for, comprising a holder provone end of 1 1e valve-stem hole, a metallic pecking provided with a tapering per oheral the recess therefor, and such packing provided with :1 hole therethrough of diminishin; diameterand means to force the packing into the recess; substantially described.

2 The combination of a stem, a holder provided with a hole thcreth'rough for the stem, and provided with a tapering recess at one end of the valve-stem hole, a metallic packing: provided with n tapering peripheral fore of l ss taper than the adjacent face of the recess therefor, such packing provided withn hole therethrough of larger diameter than the Valve-stem, the metallic Wall of the tapering recess and the circumferential wall of the stem of harder metal than the metal of the packing and means to force the packing into the rece substantially as described.

LlilY l S \l'A'lSt EGGLESTOX In presence of (n.xnuzs TL'RXER BROWN, (,"URA A.v Annie. 

